| Citation | Perry, M.C. and F.M. Uhler 1988 Food habits and distribution of wintering canvasbacks, Aythya valisineria, on Chesapeake bay. Estuaries 11(1):57-67. | 
| DOI / ISBN | |
| Paper URL | https://www.researchgate.net/profile/Matthew_Perry8/publication/225477852_Food_Habits_and_Distribution_of_Wintering_Canvasbacks_Aythya_valisineria_on_Chesapeake_Bay/links/0f317532db7989841e000000/Food-Habits-and-Distribution-of-Wintering-Canvasbacks-Aythya-valisineria-on-Chesapeake-Bay.pdf | 
| Ref. No. | 117096 | 
| Language | English | 
| Usage | used in part | 
| Comments on the publication | |
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